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Showing 1 results for Ctx-M

Hoosna Sarvazad, Mojtaba Darbouy,
Volume 17, Issue 3 (10-2017)
Abstract

Background & objectives: One of the main problems in the control of nosocomial infections due to Klebsiella pneumoniae is increase of antimicrobial resistance and prevalence of extended spectrum β-lactamase (ESBLs) producing isolates. The aim of this study was to investigate the correlation of antibiotics resistance with SHV, CTX-M and TEM extended-spectrum beta lactamases genes among Klebsiella pneumoniae isolates isolated from the patients in Kermanshah hospital.
Methods: The clinical isolates of Klebsiella pneumoniae were collected during the spring from Kermanshah hospitals, and identification of Klebsiella pneumoniae strains was performed using standard microbiological and biochemical tests. Antibiotic resistance of Klebsiella pneumoniae isolates was determined using disk diffusion method. Then, the presence of CTX-M, SHV, and TEM was investigated using multiplex-PCR method. Finally, the relationship between variables was analyzed by SPSS-22 software using logistic regression and chi-square.
Results: A total of 98 isolates out of 112 samples were identified as Klebsiella pneumonia. Also, 82.8% of isolates were resistant to cefotaxime, 40.2% to ceftriaxone, 62.88% to ceftazidime, 3.9% to imipenem, 39.17% to cefepime, 64.94% to cefixime and 26.8% to amikacin. Further, 35.55% of isolates had CTX-M gene, 63.91% of isolates had SHV gene and 9.27% of samples had TEM gene.
Conclusion: The presence of CTX-M, SHV and TEM genes along with high antibiotic resistance are very concerning, indicating the importance of rational use of antibiotic for the treatment of infectious diseases.
 

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مجله دانشگاه علوم پزشکی اردبیل Journal of Ardabil University of Medical Sciences
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